# TofaBuilds

> Building AI agents, automation tools, and cloud infrastructure. Real projects, real costs, real code.

Each post is available as Markdown at its own URL (append `index.md`) and, if your client sends `Accept: text/markdown`, at the normal URL. `llms-full.txt` contains every post in one file. Every post ends with a "For agents" section that separates what was verified from what was not.

## Posts

- [Hybrid Recall for Agent Memory](https://blogpost.mycfproject.xyz/blog/hybrid-recall-agent-memory/index.md): Keyword and vector search over the same facts, merged by rank, on one Durable Object. (Build Logs; 5 min read; published 2026-10-11)
- [Long-Running Agent Jobs](https://blogpost.mycfproject.xyz/blog/agu-missions-and-the-bugs-that-came-with-them/index.md): A pattern for agent work that outlasts a single request, with durable state, human control and spend limits. (Build Logs; 5 min read; published 2026-10-10)
- [A Governed AI Model Gateway](https://blogpost.mycfproject.xyz/blog/guest-ai-gateway-with-a-hard-cap/index.md): Identity, credential isolation and hard spending limits for sharing access to AI models. (How-To & Reference Architectures; 6 min read; published 2026-10-10)
- [A Serverless Personal Agent](https://blogpost.mycfproject.xyz/blog/agu-goes-serverless/index.md): Moving an agent from an always-on virtual machine to Workers and Durable Objects, with shared memory and a persistent browser. (Build Logs; 5 min read; published 2026-09-01)
- [Cloudflare OS and a Home-Built Agent](https://blogpost.mycfproject.xyz/blog/cloudflare-os-parallel/index.md): Comparing Cloudflare's open-source agent workspace with a personal agent built independently: where the designs match and where they diverge. (Notes; 3 min read; published 2026-08-10)
- [An Agent Built Around Cost](https://blogpost.mycfproject.xyz/blog/ai-agent-2-dollars/index.md): How tiered models, free compute and persistent memory kept an always-on agent at a few dollars a month, and why that did not hold. (Build Logs; 3 min read; published 2026-04-13)
- [Claude Code as an Engineering Partner](https://blogpost.mycfproject.xyz/blog/claude-code-engineering-partner/index.md): How an instruction file, persistent memory and session logs turn a coding assistant into a partner that pushes back and verifies its work. (Notes; 3 min read; published 2026-04-13)
- [Browser Agents in a macOS VM](https://blogpost.mycfproject.xyz/blog/lume-macos-vm/index.md): Why DevTools sessions failed in a container, and how a virtual machine and a loopback proxy fixed them. (Build Logs; 5 min read; published 2026-04-11)

## Optional

- [All posts in one file](https://blogpost.mycfproject.xyz/llms-full.txt)
- [RSS](https://blogpost.mycfproject.xyz/rss.xml)
- [Sitemap](https://blogpost.mycfproject.xyz/sitemap-index.xml)